225651433 has 16 divisors (see below), whose sum is σ = 260740480. Its totient is φ = 191289600.

The previous prime is 225651431. The next prime is 225651443. The reversal of 225651433 is 334156522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 225651433 - 2¹ = 225651431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225651395 and 225651404.

It is not an unprimeable number, because it can be changed into a prime (225651431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304978 + ... + 305716.

It is an arithmetic number, because the mean of its divisors is an integer number (16296280).

Almost surely, 2^225651433 is an apocalyptic number.

It is an amenable number.

225651433 is a deficient number, since it is larger than the sum of its proper divisors (35089047).

225651433 is a wasteful number, since it uses less digits than its factorization.

225651433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its digits is 21600, while the sum is 31.

The square root of 225651433 is about 15021.6987388244. The cubic root of 225651433 is about 608.8066187305.

The spelling of 225651433 in words is "two hundred twenty-five million, six hundred fifty-one thousand, four hundred thirty-three".